Explanation: Walking for 30 minutes covers a distance of 2.0 to 2.5 km and burns about 125 calories
Isotopes are the atoms of the same element with the difference in the number of neutrons. The number of electrons and protons are the same. The atomic masses are slightly different but the atomic number is the same. ... Therefore, it becomes difficult to exactly predict the common isotope of lead.
Answer:
I don't even know I'm sorry
Technology has given rise to industry.
true
